rangerはTUIのファイラ。

ranger

pip（失敗）

pip install ranger

error: externally-managed-environment

× This environment is externally managed
╰─> To install Python packages system-wide, try apt install
    python3-xyz, where xyz is the package you are trying to
    install.
    
    If you wish to install a non-Debian-packaged Python package,
    create a virtual environment using python3 -m venv path/to/venv.
    Then use path/to/venv/bin/python and path/to/venv/bin/pip. Make
    sure you have python3-full installed.
    
    For more information visit http://rptl.io/venv

note: If you believe this is a mistake, please contact your Python installation or OS distribution provider. You can override this, at the risk of breaking your Python installation or OS, by passing --break-system-packages.
hint: See PEP 668 for the detailed specification.

pipx

　まずは以下手順でpipxをインストールする。

• ラズパイ4B bookworm pipx をインストールする

pipx run --spec ranger-fm ranger

実行

　実行するときも以下コマンドを使う。(長い)

pipx run --spec ranger-fm ranger

version

$ pipx run --spec ranger-fm ranger --version
ranger version: ranger 1.9.4
Python version: 3.11.2 (main, Apr 28 2025, 14:11:48) [GCC 12.2.0]
Locale: ja_JP.UTF-8

help

$ pipx run --spec ranger-fm ranger --help
Usage: ranger [options] [path]

Options:
  --version             show program's version number and exit
  -h, --help            show this help message and exit
  -d, --debug           activate debug mode
  -c, --clean           don't touch/require any config files.
  --logfile=file        log file to use, '-' for stderr
  --cachedir=dir        change the cache directory. (/home/pi/.cache/ranger)
  -r dir, --confdir=dir
                        change the configuration directory.
                        (/home/pi/.config/ranger)
  --datadir=dir         change the data directory.
                        (/home/pi/.local/share/ranger)
  --copy-config=which   copy the default configs to the local config
                        directory. Possible values: all, rc, rifle, commands,
                        commands_full, scope
  --choosefile=OUTFILE  Makes ranger act like a file chooser. When opening a
                        file, it will quit and write the name of the selected
                        file to OUTFILE.
  --choosefiles=OUTFILE
                        Makes ranger act like a file chooser for multiple
                        files at once. When opening a file, it will quit and
                        write the name of all selected files to OUTFILE.
  --choosedir=OUTFILE   Makes ranger act like a directory chooser. When ranger
                        quits, it will write the name of the last visited
                        directory to OUTFILE
  --selectfile=filepath
                        Open ranger with supplied file selected.
  --show-only-dirs      Show only directories, no files or links
  --list-unused-keys    List common keys which are not bound to any action.
  --list-tagged-files=tag
                        List all files which are tagged with the given tag,
                        default: *
  --profile             Print statistics of CPU usage on exit.
  --cmd=COMMAND         Execute COMMAND after the configuration has been read.
                        Use this option multiple times to run multiple
                        commands.

　以上。自作スクリプトのコードを変えなきゃ。